🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.7

Radius: 15

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.8 AU - 0.88 AU

Year: 531 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 86,526,959 km

• M1: 190,139 km (0.043 R)
• M2: 809,474 km (0.049 R)
• M3: 1,368,073 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 10.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.88 AU - 0.92 AU

Year: 589 Days

Day: 5.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,526,959 km

• M1: 129,402 km (0.077 R)
• M2: 1,044,492 km (0.057 R)
• M3: 1,514,678 km (0.041 R)
• M4: 1,977,684 km (0.095 R)
• M5: 3,827,611 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 13.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.68 AU - 1.14 AU

Year: 599 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,526,959 km

• M1: 170,990 km (0.084 R)
• M2: 660,624 km (0.103 R)
• M3: 1,116,898 km (0.101 R)
• M4: 1,546,692 km (0.029 R)
• M5: 2,201,931 km (0.12 R)
• M6: 2,665,385 km (0.092 R)
• M7: 3,939,062 km (0.094 R)
• M8: 4,493,471 km (0.081 R)
• M9: 4,968,444 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.1

Radius: 8.4

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.79 AU - 1.05 AU

Year: 609 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,526,959 km

• M1: 104,419 km (0.113 R)
• M2: 384,915 km (0.099 R)
• M3: 816,655 km (0.09 R)
• M4: 1,094,308 km (0.108 R)
• M5: 1,530,386 km (0.026 R)
• M6: 2,153,611 km (0.095 R)
• M7: 3,177,309 km (0.074 R)
• M8: 3,458,104 km (0.047 R)
• M9: 3,755,355 km (0.11 R)
• M10: 4,622,425 km (0.038 R)
• M11: 4,950,493 km (0.057 R)
• M12: 5,562,049 km (0.027 R)
• M13: 5,895,652 km (0.071 R)
• M14: 6,747,313 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.3

Radius: 10.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.15 AU - 1.27 AU

Year: 919 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,526,959 km

• M1: 125,662 km (0.106 R)
• M2: 616,942 km (0.037 R)
• M3: 1,060,948 km (0.091 R)
• M4: 1,453,643 km (0.112 R)
• M5: 2,332,380 km (0.076 R)
• M6: 2,807,653 km (0.104 R)
• M7: 3,809,510 km (0.109 R)
• M8: 4,283,735 km (0.114 R)
• M9: 5,261,357 km (0.07 R)
• M10: 6,004,559 km (0.08 R)
• M11: 6,361,201 km (0.085 R)
• M12: 7,562,322 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 12.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.89 AU - 2.19 AU

Year: 2011 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,526,959 km

• M1: 153,039 km (0.072 R)
• M2: 797,805 km (0.056 R)
• M3: 1,475,334 km (0.094 R)
• M4: 1,961,826 km (0.08 R)
• M5: 2,640,702 km (0.063 R)
• M6: 3,067,953 km (0.09 R)
• M7: 4,899,629 km (0.104 R)
• M8: 6,257,829 km (0.049 R)
• M9: 6,799,373 km (0.07 R)
• M10: 7,225,876 km (0.099 R)
• M11: 7,640,113 km (0.088 R)
• M12: 8,945,504 km (0.114 R)
• M13: 9,704,563 km (0.066 R)
• M14: 11,994,308 km (0.117 R)
• M15: 12,661,365 km (0.084 R)
• M16: 13,529,631 km (0.081 R)
• M17: 14,391,016 km (0.062 R)
• M18: 15,824,912 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 12.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.06 AU - 4.1 AU

Year: 4676 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,526,959 km

• M1: 157,975 km (0.073 R)
• M2: 605,273 km (0.111 R)
• M3: 1,025,194 km (0.087 R)
• M4: 1,987,258 km (0.109 R)
• M5: 3,544,422 km (0.034 R)
• M6: 4,212,377 km (0.093 R)
• M7: 5,597,504 km (0.096 R)
• M8: 8,012,462 km (0.117 R)
• M9: 9,994,335 km (0.117 R)
• M10: 11,563,616 km (0.119 R)
• M11: 12,831,608 km (0.049 R)
• M12: 13,447,203 km (0.098 R)
• M13: 16,405,052 km (0.093 R)
• M14: 20,663,505 km (0.102 R)
• M15: 25,768,981 km (0.051 R)
• M16: 27,333,177 km (0.072 R)
• M17: 28,267,266 km (0.113 R)

Asteroid Belt

Center: 4.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.3

Radius: 8.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.95 AU - 5.75 AU

Year: 8542 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,526,959 km

• M1: 111,002 km (0.101 R)
• M2: 516,262 km (0.102 R)
• M3: 1,875,359 km (0.08 R)
• M4: 3,996,956 km (0.066 R)
• M5: 4,823,634 km (0.117 R)
• M6: 11,828,255 km (0.093 R)
• M7: 13,734,581 km (0.11 R)
• M8: 14,117,102 km (0.102 R)
• M9: 22,352,315 km (0.108 R)
• M10: 26,152,999 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.8

Radius: 3.7

Gravity: 72.74 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.3 AU - 9.64 AU

Year: 20116 Days

Day: 22.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,526,959 km

• M1: 46,824 km (0.047 R)
• M2: 164,258 km (0.111 R)
• M3: 293,661 km (0.055 R)
• M4: 501,602 km (0.094 R)
• M5: 658,081 km (0.105 R)
• M6: 858,393 km (0.088 R)
• M7: 1,057,657 km (0.062 R)
• M8: 1,286,990 km (0.097 R)
• M9: 1,548,488 km (0.052 R)
• M10: 2,800,921 km (0.059 R)
• M11: 5,962,822 km (0.111 R)
• M12: 7,718,353 km (0.104 R)
• M13: 9,373,055 km (0.058 R)
• M14: 10,856,168 km (0.057 R)
• M15: 11,183,638 km (0.069 R)
• M16: 12,417,670 km (0.074 R)
• M17: 12,994,071 km (0.11 R)
• M18: 15,726,925 km (0.117 R)
• M19: 19,483,028 km (0.071 R)
• M20: 21,670,299 km (0.104 R)
• M21: 23,251,997 km (0.088 R)
• M22: 25,249,577 km (0.092 R)
• M23: 26,056,209 km (0.118 R)
• M24: 29,077,937 km (0.102 R)
• M25: 30,478,322 km (0.055 R)
• M26: 31,392,515 km (0.052 R)
• M27: 36,969,673 km (0.051 R)
• M28: 42,522,746 km (0.08 R)
• M29: 45,328,005 km (0.068 R)
• M30: 46,861,832 km (0.112 R)
• M31: 56,993,946 km (0.094 R)
• M32: 61,424,287 km (0.086 R)
• M33: 68,491,590 km (0.06 R)
• M34: 74,897,221 km (0.094 R)
• M35: 75,369,502 km (0.182 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 14,415 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit